– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Wed 13 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 13 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 13 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 59mm), heaviest during Thu night. Very mild (max 10°C on Thu afternoon, min 4°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 5mm), mostly falling on Sat night. Very mild (max 13°C on Tue afternoon, min 3°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  | | |  | | |  | | | | | | | |
light rain | rain shwrs | light rain | heavy rain | mod. rain | mod. rain | mod. rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
4 | 2 | 5 | 14 | 5 | 8 | 9 | 7 | 4 | 1.4 | 0.2 | 0.5 | 0.1 | 0.2 | 1 | 0.8 | 0.2 | 0.9 | 0.2 | |
max °C | 8 | 9 | 10 | 7 | 5 | 5 | 4 | 4 | 7 | 6 | 6 | 8 | 8 | 9 | 10 | 8 | 10 | 13 | 11 |
min °C | 7 | 7 | 8 | 4 | 5 | 4 | 4 | 4 | 5 | 3 | 4 | 8 | 5 | 7 | 9 | 8 | 9 | 12 | 8 |
6 | 7 | 7 | 4 | 5 | 2 | 2 | 2 | 4 | 3 | 4 | 8 | 5 | 7 | 9 | 8 | 9 | 12 | 8 | |
1600 | 1650 | 1650 | 1350 | 1200 | 1300 | 1100 | 1100 | 1400 | 1150 | 1250 | 1600 | 1600 | 1650 | 1850 | 1850 | 2050 | 2250 | 2800 | |
Cloud base (m) | 600 | 700 | 800 | 600 | 600 | 550 | 600 | 600 | 600 | 600 | 650 | 850 | 2050 | 900 | 800 | 600 | 750 | 1600 | 2000 |
 | — | 5:28 | — | — | 5:26 | — | — | 5:24 | — | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — |
 | — | — | — | 8:39 | — | — | 8:42 | — | — | 8:43 | — | — | 8:44 | — | — | 8:45 | — | — | 8:46 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 59mm), heaviest during Thu night. Very mild (max 10°C on Thu afternoon, min 4°C on Thu night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Sat night. Very mild (max 13°C on Tue afternoon, min 3°C on Sat night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.